Smoke-consuming stove.



I No. 685,864. Patented Nov. 5, 190i.

H. PERFETT.

SMOKE CONSUMING STOVE.

(Application filed Oct. 5, 1900.\ v (No M m 3 Sheets-Sheet I.

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Patented Nov. 5, l90l; H. PEBFETT. SMOKE CONSUMING STOVE.

(Application filed Oct. 6, 1900.)

3 Sheets-Sheet 2.

(No Model.)

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No. 685,864. Patented Nov. 5, 190:. H. PEBFETT.

SMOKE CONSUMING STOVE.

(Application filed Oct. 6, 1900.)

(No Model.) 3 Sheets-Sheet 3.

THE NORRIS PETERS 00., momuwa. WASHINGTON. n. c.

f ITED STATES PATENT OFFICE.

HENRY PERFET'I, OF IPSWICH, ENGLAND.

SMOKE-CONSUMING STOVE.

srnorrrcarron forming; part of Letters Patent No. 685,864, datedNovember 5, 1901.'

Serial No. 32,192. (No model.)

To aZZ whom it may concern.-

Be it known that I, HENRY PERFETT, a citizen of England, residing at 20Fitzroy street, Ipswich, in the county of Sufiolk, England, haveinvented certain new and useful Improvements in Smoke-Consuming Stoves,of which the following is a specification.

This invention relates to a stove which onables the smoke from the fuelto be thoroughly consumed. The main draft is arranged to be taken fromthe lower part of the fuel, which is consequently raised to a high stateof incandescence, while the heated air and smoke from the top of thefuel are drawn down to a point where they meet the flames orhighly-heated air escaping from the incandescent fuel. The smoke, whichis already considerably heated in its downward passage, on meeting theflames is at once consumed and only gases and heated air escape.

The accompanying drawings show my invention applied to an ordinarykitchen-range; but it is of course to be understood that theconstruction is not confined to such ranges.

Figure 1 is a plan of part of a kitchen-range with the top removed. Fig.2 is a transverse section through the fire-box. Fig. 3 is a section atright angles to Fig. 2, and Fig. at is a similar view showing the fueland the direction of the smoke and flames.

The fire-box A is provided with a wall B, placed a short distance withinthe ordinary wall, so as to form the flue 0, extending around the sidesand back of the fire-box. This flue opens at top into the ordinary fluesD, passing over the oven and boiler. The inner wall is supported on thec0rner-blocks 17, leaving openings around the back and sides at b togive access to the flue O at the bottom of the fire box. The draft fromthe fire thus passes from the lower part of the fireupwardly through theflue C to the ordinary fiues. Within this inner wall plates E arefitted, covering the wall and leaving a very shallow passage at thebackand each side. The upper ends of the plates are cutaway at e, and thelower ends terminate some distance above the bottom of the fire-box,leaving the openings to the flue 0 clear. The fire-box is carried in thekitchen-range F of the usual. construction and may be detachable, sothat it can be removed bodily, if found desirable.

It is covered in at the top by the separate cover f, fitting closelywithin the top of the wall 1?, and the flues at the side of the fireboxmay have openings above the oven and boiler closed by the plates f,which can be removed for heating kettles, saucepans, and other cookingutensils. The plates f are shown in Fig. 1 in chain lines. The top ofthe fire-box is preferably always covered, as with this constructionthere is little heat immediately over the top of thefire. As the lowerpart of the fuel is directly open to the flues, it is most activelyconsumed, while the upper part is at a much lower temperature. The smokefrom this part, as shown especially in Fig. 4, passes through theopenings at the top of the plates E and is directed downwardly throughthe shallow passages to the bottom of the flues,where it meets (thepoints indicated by the bottom arrows in-Fig. 4) with the flames andhighly-heated air, which pass into the flues through the lower openings.The products of combustion from the bottom of the fire are quite clearand free from smoke, and the downwardly-descending smoke,beingconsiderably heated as it passes down the shallow passages within thewall, is at once consumed on reaching the flames.

. To clear the lines 0 when necessary, the slide G is provided beneaththe, grate, forming a bottom for the lines. This slide can be drawn out,and any ashes which may lie in these flues will fall into the ash-pit.

What I claim as my invention, and desire to secure by Letters Patent,is-

In a smoke-consuming stove, a fire-box having an inner wall around thesides and back, flues between said wall and the sides of the fire-box,open to the bottom of the fire, plates fixed within the said walls cutaway at top and bottom to form shallow passages leading from the top ofthe fire to the bottom, and a slide below the fire-box forming a bottomfor the flues, substantially as herein described and shown.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

HENRY PERFETT.

Witnesses:

WILLIAM JAMES 00X,

ROBERT KEMPSTER KEMP.

